Qcom LR802UKN3 User Manual - Test Report
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SGS Taiwan Ltd.
台灣檢驗科技股份有限公司
Member of the SGS Group
*CE/2008/67049A*
566-1, KAO-SHI ROAD, YANG-MEI, TAO YUAN, 32642 TAIWAN, R. O. C.
WALSIN TECHNOLOGY CORPORATION
Test Report
No. : CE/2008/67049A
Date : 2008/07/07
Page : 12 of 20
1) These samples were dissolved totally by pre-conditioning method according to below flow chart.
(Cr
6+
test method excluded)
2) Name of the person who made measurement: Climbgreat Yang
3) Name of the person in charge of measurement: Troy Chang
Cr
6
+
Sample Material
Digestion Acid
Steel, copper, aluminum, solder
Aqua regia, HNO
3
, HCl, HF, H
2
O
2
Glass
HNO
3
/HF
Gold, platinum, palladium, ceramic
Aqua regia
Silver
HNO
3
Plastic
H
2
SO
4
, H
2
O
2
, HNO
3
, HCl
Others
Any acid to total digestion
Pb、Cd
Solution
ICP-AES
Acid digestion by suitable acid
depended on different sample
material (as below table)
Filtration
Residue
1) Alkali Fusion
2) HCl to dissolve
Sample Measurement
Cutting / Preparation
Microwave digestion with
HNO
3
/HCl/HF
Heat to appropriate
temperature to extract
Cool, filter digestate
through filter
Add diphenyl-carbazide for
color development
measure the absorbance
at 540 nm by UV-VIS
Add appropriate amount of
digestion reagent
Hg